IE68068B1 - Process and catalyst for dehalogenation of alpha-halogenated carboxylic acids - Google Patents

Process and catalyst for dehalogenation of alpha-halogenated carboxylic acids

Info

Publication number
IE68068B1
IE68068B1 IE125990A IE125990A IE68068B1 IE 68068 B1 IE68068 B1 IE 68068B1 IE 125990 A IE125990 A IE 125990A IE 125990 A IE125990 A IE 125990A IE 68068 B1 IE68068 B1 IE 68068B1
Authority
IE
Ireland
Prior art keywords
sulphur
catalyst
acid
process according
dehalogenation
Prior art date
Application number
IE125990A
Other languages
English (en)
Other versions
IE901259L (en
Inventor
Yves Correia
Michel Bertucci
Original Assignee
Atochem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atochem filed Critical Atochem
Publication of IE901259L publication Critical patent/IE901259L/en
Publication of IE68068B1 publication Critical patent/IE68068B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/16—Halogenated acetic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IE125990A 1989-04-07 1990-04-06 Process and catalyst for dehalogenation of alpha-halogenated carboxylic acids IE68068B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898904607A FR2645531B1 (fr) 1989-04-07 1989-04-07 Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes

Publications (2)

Publication Number Publication Date
IE901259L IE901259L (en) 1990-10-07
IE68068B1 true IE68068B1 (en) 1996-05-15

Family

ID=9380498

Family Applications (1)

Application Number Title Priority Date Filing Date
IE125990A IE68068B1 (en) 1989-04-07 1990-04-06 Process and catalyst for dehalogenation of alpha-halogenated carboxylic acids

Country Status (11)

Country Link
US (2) US5191118A (fr)
EP (1) EP0453690B1 (fr)
JP (1) JPH0768162B2 (fr)
KR (1) KR920005847B1 (fr)
CN (1) CN1028022C (fr)
CA (1) CA2014043C (fr)
FI (1) FI95127C (fr)
FR (1) FR2645531B1 (fr)
IE (1) IE68068B1 (fr)
NO (1) NO172980C (fr)
PT (1) PT93692B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682616B1 (fr) * 1991-10-18 1993-12-10 Atochem Catalyseurs de deshalogenation d'acides carboxyliques alphahalogenes.
ES2095589T3 (es) * 1992-02-19 1997-02-16 Atochem Elf Sa Catalizador de deshalogenacion de acidos carboxilicos alfahalogenados y su utilizacion para purificar el acido monocloroacetico.
DE4342187A1 (de) * 1993-12-10 1995-06-14 Bayer Ag Verfahren zur Herstellung von aliphatischen omega-Difluorcarboxylverbindungen
DE59409675D1 (de) * 1994-12-02 2001-04-12 Salzgitter Anlagenbau Gmbh Verfahren zur Herstellung von Monochloressigsäure
FR2731702B1 (fr) * 1995-03-17 1997-04-30 Atochem Elf Sa Procede d'hydrogenolyse de chlorofluorocarbures et d'hydrochlorofluorocarbures
US5534124A (en) * 1995-09-19 1996-07-09 Chem-Pro On-site electrochemical dehalogenation process and system
DE19546080A1 (de) * 1995-12-11 1997-06-12 Hoechst Ag Verfahren zur Darstellung einer besonders reinen Monochloressigsäure
US6159896A (en) * 1999-02-16 2000-12-12 Eastman Chemical Company Iridium catalyst for carbonylation of lower aliphatic alcohols
WO2013057125A1 (fr) * 2011-10-20 2013-04-25 Akzo Nobel Chemicals International B.V. Procédé de purification d'une charge liquide contenant du mca et du dca
ES2625050T3 (es) 2011-10-20 2017-07-18 Akzo Nobel Chemicals International B.V. Proceso para la hidrodescloración de una alimentación líquida que comprende ácido dicloroacético
DK3271322T3 (da) 2015-03-17 2020-03-09 Nouryon Chemicals Int Bv Fremgangsmåde til oprensning af monochloreddikesyre
AR104892A1 (es) 2015-06-12 2017-08-23 Akzo Nobel Chemicals Int Bv Proceso para la hidrodecloración de una alimentación que comprende ácido dicloroacético
CN113477208B (zh) * 2021-06-16 2022-10-04 湖北泰盛化工有限公司 一种氯乙酸生产装置及工艺

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA645929A (en) * 1962-07-31 Opitz Wolfgang Process for partially dehalogenating di- and trihaloacetic acid
CA555342A (fr) * 1958-04-01 T. Rucker John Methode pour reduire un acide dichloroacetique en presence d'acide monochloroacetique
US2725411A (en) * 1948-04-30 1955-11-29 Us Rubber Co Vapor phase dehydrohalogenation of polyhalogenomethyl compounds
US2671803A (en) * 1951-03-12 1954-03-09 Knapsack Ag Dehalogenation of halogeno acetic acids by hydrogenation
US2863917A (en) * 1954-03-31 1958-12-09 Hooker Chemical Corp Method for reducing dichloroacetic acid in the presence of monochloro-acetic acid
GB870040A (en) * 1958-07-22 1961-06-07 Knapsack Ag Process for partially dehalogenating di- and trihaloacetic acid
US3071615A (en) * 1958-07-28 1963-01-01 Knapsack Ag Process for partially dehalogenating di-and trihaloacetic acid
US3226386A (en) * 1962-07-20 1965-12-28 Olin Mathieson Hydrogenolysis of trichloromethyl-substituted compounds
NL127232C (fr) * 1963-03-12 1900-01-01
DE1915037C3 (de) * 1969-03-25 1975-10-30 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von technischer Monochloressigsäure durch selektive katalytische Dehalogenierung des darin enthaltenen Dl- und Trichloressigsäure
DE1920806C3 (de) * 1969-04-24 1974-07-04 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Regenerierung eines Dehalogenierungskatalysators
DE1920805A1 (de) * 1969-04-24 1970-11-05 Knapsack Ag Verfahren zur Regenerierung eines Hydrierkatalysators
DE1959578A1 (de) * 1969-11-27 1971-06-03 Hoechst Ag Verfahren zur Herstellung sulfidierter Platin-auf-Kohlenstoff-Katalysatoren
GB1419603A (en) * 1972-12-05 1975-12-31 Bayer Ag Process for the producition of 3-halogen-and 3,5-dihalogen phenols
DE2323777C2 (de) * 1973-05-11 1975-01-16 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Verfahren zur kontinuierlichen Reinigung von roher Monochloressigsäure
GB1570952A (en) * 1976-06-25 1980-07-09 Sumitomo Chemical Co Process for producing diacetoxybutene
US4288422A (en) * 1979-02-23 1981-09-08 Exxon Research & Engineering Co. Method of preparing chalcogenides of group VIII by low temperature precipitation from monaqueous solution, the products produced by said method and their use as catalysts
SU1004345A1 (ru) * 1981-04-17 1983-03-15 Куйбышевский политехнический институт им.В.В.Куйбышева Способ очистки монохлоруксусной кислоты
FR2582645B1 (fr) * 1985-05-31 1988-09-16 Rhone Poulenc Spec Chim Procede de purification de l'acide chloro-2 propionique et/ou de ses esters

Also Published As

Publication number Publication date
JPH03204832A (ja) 1991-09-06
CN1046152A (zh) 1990-10-17
PT93692B (pt) 1996-08-30
KR900016080A (ko) 1990-11-12
FI95127C (fi) 1995-12-27
FI901767A0 (fi) 1990-04-06
PT93692A (pt) 1990-11-20
CA2014043A1 (fr) 1990-10-07
NO901435L (no) 1990-10-08
JPH0768162B2 (ja) 1995-07-26
CN1028022C (zh) 1995-03-29
FI95127B (fi) 1995-09-15
NO901435D0 (no) 1990-03-29
FR2645531A1 (fr) 1990-10-12
EP0453690B1 (fr) 1994-06-22
US5278122A (en) 1994-01-11
EP0453690A1 (fr) 1991-10-30
NO172980B (no) 1993-06-28
NO172980C (no) 1993-10-06
FR2645531B1 (fr) 1991-06-07
US5191118A (en) 1993-03-02
IE901259L (en) 1990-10-07
CA2014043C (fr) 1996-12-03
KR920005847B1 (ko) 1992-07-23

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